V-e-r-y s-l-o-w r-e-s-p-o-n-s-e f-r-o-m s-e-r-v-e-r.
Roughly half the time, the site is unusable. I have written responses and clicked on the Submit Reply button, only to get an error page, and my post is gone. Back button does no good.
This is with IE and Firefox.